306770-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306770-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,7 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 306770-59:
(8*3)+(7*0)+(6*6)+(5*7)+(4*7)+(3*0)+(2*5)+(1*9)=142
142 % 10 = 2
So 306770-59-2 is a valid CAS Registry Number.